Window seat arm rest



FIG. 1 is a perspective view of a window seat arm rest showing my newdesign in position of use, it being understood that the broken lines arefor illustrative purposes only and form no part of the claimed design;

FIG. 2 is an enlarged left side elevation view thereof;

FIG. 3 is an enlarged top plan view thereof;

FIG. 4 is an enlarged bottom plan view thereof;

FIG. 5 is an enlarged front elevation view thereof; and,

FIG. 6 is an enlarged rear elevation view thereof.

The ornamental design for a window seat arm rest, as shown anddescribed.